{
 "metadata": {
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": 3
  },
  "orig_nbformat": 2,
  "kernelspec": {
   "name": "python_defaultSpec_1596358221152",
   "display_name": "Python 3.8.5 64-bit ('venv': venv)"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2,
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "ufo = pd.read_csv('./data/ufo_reports.csv', usecols=[0, 4])\n",
    "ufo"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "ufo = pd.read_csv('./data/ufo_reports.csv', usecols=['City', 'State', 'Colors Reported'])\n",
    "ufo"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "ufo = pd.read_csv('./data/ufo_reports.csv', nrows=5)\n",
    "ufo.describe()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "output_type": "execute_result",
     "data": {
      "text/plain": "City               18216\nColors Reported     2882\nShape Reported     15597\nState              18241\nTime               18241\ndtype: int64"
     },
     "metadata": {},
     "execution_count": 4
    }
   ],
   "source": [
    "ufo = pd.read_csv('./data/ufo_reports.csv')\n",
    "ufo.notnull().sum()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ]
}